title: Cilia ultrastructure in children with Down syndrome.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D002923:Cilia / Q000473:pathology / Q000648:ultrastructure*; D004314:Down Syndrome / Q000150:complications* / Q000276:immunology / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D010034:Otitis Media with Effusion / Q000209:etiology; D012852:Sinusitis / Q000209:etiology / Q000473:pathology*